3v4l.org

run code in 300+ PHP versions simultaneously
<?php define("FOO", 0); $my_varr = array( 0 => 'HELLO', 1 => 'WORLD', ) echo $my_varr[FOO]
Output for 5.4.0 - 5.4.29
Parse error: syntax error, unexpected 'echo' (T_ECHO) in /in/g5djH on line 9
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_ECHO in /in/g5djH on line 9
Process exited with code 255.
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187.77 ms | 1395 KiB | 66 Q